Tehuantepec Forecast
December 20, 2025, 9:03 am (UTC: -05:00)
Subject: Tehuantepec Forecast
Questions/Comments visit https://svsarana.com
This forecast has not been reviewed. It was generated from an automatic model.
.WARNINGS.
...GALE WARNING...
.WITHIN 16N94W TO 16N96W TO 14N97W TO 13N96W TO 14N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS 2.5 TO 3 M.
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.WITHIN 16N94W TO 16N96W TO 14N97W TO 13N96W TO 14N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS 2.5 TO 3 M.
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN A
1024 MB HIGH PRESSURE SYSTEM OVER THE EASTERN UNITED STATES AND
LOWER PRESSURES IN THE DEEP TROPICS RESULT IN FRESH TO NEAR GALE-
FORCE NORTHERLY WINDS ACROSS THE GULF OF TEHUANTEPEC. THIS WAS
CONFIRMED BY A RECENT SCATTEROMETER SATELLITE PASS. FREQUENT
GUSTS TO GALE FORCE ARE OCCURRING THROUGH LATE THIS MORNING. SEAS
ARE PEAKING AROUND 8-9 FT (2.5-3 M). FRESH TO STRONG WINDS WILL
PERSIST ACROSS THE AREA THROUGH AT LEAST THE MIDDLE OF NEXT WEEK.
GALE CONDITIONS WILL BE POSSIBLE, MAINLY AT NIGHT, MON THROUGH
WED AS HIGH PRESSURE DEVELOPS OVER THE EASTERN SLOPES OF THE
SIERRA MADRE MOUNTAINS IN MEXICO. ROUGH SEAS ARE ALSO LIKELY TO
DEVELOP WITH THE STRONGEST WINDS.
HIGH PRESSURE NORTH OF THE GULF OF TEHUANTEPEC SUSTAINS FRESH TO
NEAR GALE-FORCE NORTHERLY WINDS, ALONG WITH FREQUENT GUSTS TO
GALE FORCE AND SEAS TO 8-9 FT, ACROSS THE TEHUANTEPEC BASIN.
ELSEWHERE, A 1022 MB SUBTROPICAL RIDGE NEAR 30N130W EXTENDS A
RIDGE TO THE REVILLAGIGEDO ISLANDS. MODERATE NORTHERLY WINDS AND
MODERATE SEAS ARE PRESENT WEST OF GUADALUPE ISLANDS, WHILE LIGHT
TO GENTLE WINDS AND MODERATE SEAS PREVAIL IN THE REST OF THE
BAJA CALIFORNIA OFFSHORE WATERS. MODERATE NORTHERLY WINDS AND
SEAS OF 2-4 FT ARE NOTED OFF CABO CORRIENTES. IN THE REST OF THE
MEXICAN OFFSHORE WATERS, LIGHT TO GENTLE WINDS AND SLIGHT TO
MODERATE SEAS ARE EVIDENT.
FOR THE FORECAST, HIGH PRESSURE NORTH OF THE GULF OF TEHUANTEPEC
WILL SUPPORT FRESH TO NEAR GALE-FORCE NORTHERLY WINDS AND
MODERATE TO LOCALLY ROUGH SEAS OVER THE NEXT SEVERAL DAYS. WINDS
MAY PULSE TO GALE-FORCE AT NIGHT MON THROUGH WED. ELSEWHERE, FOR
MOST WATERS, A RELATIVELY WEAK PRESSURE GRADIENT WILL LEAD TO
MODERATE OR WEAKER WINDS AND SEAS INTO THE START OF NEXT WEEK.
LOOKING AHEAD, A COLD FRONT WILL APPROACH THE OFFSHORE WATERS OF
BAJA CALIFORNIA NORTE BY MIDWEEK POSSIBLY PRODUCING FRESH TO
STRONG SOUTHERLY WINDS AND ROUGH SEAS.
SHORT-TERM TEHUANTEPEC
TODAY - Not available yet
TONITE - Not available yet
SUNDAY - Not available yet
SUNDAY NIGHT - Not available yet
LONG-TERM TEHUANTEPEC
MONDAY - Not available yet
TUESDAY - Not available yet
WEDNESDAY - Not available yet
THURSDAY - Not available yet
FRIDAY - Not available yet